N.S.A. Experiment Traced U.S. Cellphone Locations — WASHINGTON — The National Security Agency conducted a secret pilot project in 2010 and 2011 to test the collection of bulk data about the location of Americans' cellphones, but the agency never moved ahead with such a program, according to intelligence officials.

This is the Fitbit Force, a smarter fitness tracking watch — Fitbit is set to release a new fitness tracking band called the Force. The new device will be positioned above the company's current fitness band, the Flex, and will feature a built-in altimeter that measures your present altitude.